*Size: 380*370*65mm                   
*Fan dimension: 120*25mm*1pc                                                                                            70*15mm*4pcs                    
*Fan speed: 1000-2500       
*Wind flow:35-100CFM                   
*Noise: 16-25dbA                        
*Power supply: USB 5V DC                          
*Current: 0.22~1.2A                         
*Adapt to laptop size: 10-17inc